装饰材料价值较高，易损、易坏、易丢。因此应放入库内由专人保管，以防丢失。
参考答案：对
商品条码与物流条码无区别。( )
—_______ will your parents take you to Shanghai?
— In about two months, after I finish the final exams.
A．How long
B．How soon
C．How often
D．How many times
